CN110151368A - Vascular implant, conveying device and Medical Devices - Google Patents
Vascular implant, conveying device and Medical Devices Download PDFInfo
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- CN110151368A CN110151368A CN201910580250.XA CN201910580250A CN110151368A CN 110151368 A CN110151368 A CN 110151368A CN 201910580250 A CN201910580250 A CN 201910580250A CN 110151368 A CN110151368 A CN 110151368A
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- Prior art keywords
- vascular implant
- connecting portion
- connector
- conveying lever
- conveying
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
- A61B17/12113—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel within an aneurysm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/1214—Coils or wires
- A61B17/12145—Coils or wires having a pre-set deployed three-dimensional shape
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/12168—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure
- A61B17/12172—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure having a pre-set deployed three-dimensional shape
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/848—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents having means for fixation to the vessel wall, e.g. barbs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
- A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/9522—Means for mounting a stent or stent-graft onto or into a placement instrument
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
- A61F2/966—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
- A61F2/97—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve the outer sleeve being splittable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B2017/1205—Introduction devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B2017/1205—Introduction devices
- A61B2017/12054—Details concerning the detachment of the occluding device from the introduction device
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
- A61F2/966—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
- A61F2002/9665—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod with additional retaining means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
- A61F2250/0098—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers radio-opaque, e.g. radio-opaque markers
Abstract
The present invention relates to a kind of Vascular implant, conveying device and Medical Devices, it is intended to so that Vascular implant and conveying lever is kept opposing stationary in the axial direction in transmission process, to avoid the problem that de- load occurs for Vascular implant, improve the stability of Vascular implant conveying.Vascular implant of the invention includes first connecting portion, conveying device includes conveying lever and chamber simultaneously, conveying lever includes second connecting portion, and the first connecting portion with second connecting portion for being separably connected together, and the first connecting portion and conveying lever are for being contained in chamber.When first connecting portion and conveying lever are contained in chamber, the first connecting portion by chamber constraint and keep the state that engages with second connecting portion, to realize the axial lock between Vascular implant and conveying lever；And when first connecting portion is detached from chamber, first connecting portion is released from the constraint of chamber and is in separable state with second connecting portion, axially unlocked between Vascular implant and conveying lever to realize.
Description
Technical field
The present invention relates to the field of medical instrument technology, in particular to a kind of Vascular implant, conveying device and Medical Devices.
Background technique
Micro trauma intervention is a kind for the treatment of means of vascular aneurysms, is usually directed to Vascular implant, such as but not only
It is limited to bracket, spring ring, aneurysm plugging device etc., lesion locations is delivered to by conveying device.Conveying device includes conveying
Bar, when actual fed, conveying lever is matched with Vascular implant and is placed in delivery sheath together, and then conveying lever is in conveying sheath
Vascular implant is pushed in pipe, realizes the release of Vascular implant.
In the prior art, Vascular implant is usually realized in delivery sheath by the stiction between conveying lever
Conveying, i.e. Vascular implant pressure holds rear enclosure in the outside of conveying lever, the two have no mechanical connection and as a whole in conveying sheath
It is moved in pipe.But when practical operation, the size of frictional force is more difficult to control, be easy to cause de- load (the i.e. blood vessel plant of Vascular implant
Enter object to fall off from conveying lever), it be constantly fed Vascular implant can not, to influence surgical effect.
Summary of the invention
For this purpose, the purpose of the present invention is to provide a kind of Vascular implant, conveying device and Medical Devices, it is intended to convey
Vascular implant and conveying lever is set to keep opposing stationary in the axial direction in the process, to avoid Vascular implant that asking for de- load occurs
Topic improves the stability of Vascular implant conveying.
To achieve the above object, the present invention provides a kind of Vascular implants, are delivered to target position by conveying device,
The conveying device includes conveying lever and chamber；Wherein the Vascular implant has proximal end, and the proximal end includes the first company
Socket part, the first connecting portion with the conveying lever for being separably connected together, and the first connecting portion and described defeated
Send bar for being contained in the chamber；
When the first connecting portion and the conveying lever are contained in the chamber, the first connecting portion is by the chamber
The restraining force of room and keep the state that engages with the conveying lever, to realize the axis between the Vascular implant and the conveying lever
To locking；
When the first connecting portion is detached from the chamber, the first connecting portion be released from the restraining force of the chamber and
It is in separable state with the conveying lever, it is axially unlocked between the Vascular implant and the conveying lever to realize.
Optionally, in the Vascular implant, the first connecting portion includes at least one first connector, described
First connector is configured as, and keeps the state engaged with the conveying lever in the restraining force by the chamber, and solving
Except the chamber restraining force when with the conveying lever be in separable state；Wherein, first connector has gap；
When the first connecting portion and the conveying lever are contained in the chamber, the gap is configured as forbidding described
Conveying lever passes through, so that first connector and the conveying lever keep the state of engaging；
When the first connecting portion is detached from the chamber, the gap is configured as that the conveying lever is allowed to pass through, with
First connector and the conveying lever is set to be in separable state.
Optionally, in the Vascular implant, first connector includes more than two fasteners, two with
The upper fastener being provided at circumferentially spaced along the Vascular implant, and the sky is formed between more than two fasteners
Gap.
Optionally, in the Vascular implant, the fastener is configured as the axial direction in the Vascular implant
On can deform so that first connector can deform in the axial direction of the Vascular implant.
Optionally, in the Vascular implant, at least partly described fastener is made of metal developing material.
Optionally, in the Vascular implant, the first connecting portion includes more than two first connectors,
More than two first connectors are arranged along the axially spaced-apart of the Vascular implant.
Optionally, in the Vascular implant, the fastener of more than two first connectors is described
Vascular implant is axially aligned arrangement.
Optionally, in the Vascular implant, the first connecting portion includes more than two first connection groups, and two
First connection group described above is arranged along the axially spaced-apart of the Vascular implant；
Each first connection group includes more than two first connectors, the institute in each first connection group
The axially spaced-apart that the first connector is stated along the Vascular implant is arranged；
Wherein: the fastener in same first connection group the Vascular implant the arrangement that is axially aligned, and
The fastener in different first connection groups is staggeredly arranged in the axial direction of the Vascular implant.
Optionally, in the Vascular implant, the Vascular implant is self expandable implantation material.
Optionally, in the Vascular implant, the Vascular implant is that bracket, spring ring or aneurysm block dress
It sets.
To achieve the above object, the present invention also provides a kind of conveying devices, for Vascular implant to be delivered to target
Position, comprising:
Conveying lever, the conveying lever include second connecting portion, and the second connecting portion is used for and the Vascular implant
Proximal end is separably connected together；And
Chamber, for accommodating the proximal end of the conveying lever and the Vascular implant；
When the proximal end of the Vascular implant and the conveying lever are contained in the chamber, the Vascular implant it is close
Hold the restraining force by the chamber and keep the state that engage with the second connecting portion, with realize the Vascular implant and
Axial lock between the conveying lever；
When the proximal end of the Vascular implant is detached from the chamber, the proximal end of the Vascular implant is released from the chamber
The restraining force of room and be in separable state with the second connecting portion, to realize the Vascular implant and the conveying lever
Between it is axially unlocked.
Optionally, in the conveying device, the second connecting portion includes at least one second connector, for
The proximal end of the Vascular implant is separably connected together；
The conveying lever further includes rod piece ontology, at least one protrusion, and the protrusion are formed on the rod piece ontology
For second connector, so that the proximal end of the Vascular implant is fastened on the two sides of at least one protrusion or is fastened on
Between at least two protrusions.
Optionally, in the conveying device, the second connecting portion includes at least one second connector, for
The proximal end of the Vascular implant is separably connected together；
The conveying lever further includes rod piece ontology, at least one recess portion, and the recess portion are formed on the rod piece ontology
For second connector, so that the proximal end of the Vascular implant is fastened in the recess portion.
Optionally, in the conveying device, second connector have axially through surface groove, for holding
Receive the part Vascular implant.
Optionally, in the conveying device, the surface groove is more than two and along second connector
Circumferentially.
Optionally, the proximal end of the Vascular implant includes at least one first connector, and first connector is used for
Separably be connected together with second connector, and first connector includes more than two fasteners, two with
The upper fastener being provided at circumferentially spaced along the Vascular implant, and gap is formed between more than two fasteners；
When the proximal end of the Vascular implant and the conveying lever engage and are contained in the chamber, the surface groove
It is configured as that the fastener is forbidden to pass through.
Optionally, in the conveying device, the second connecting portion is made of metal developing material.
Optionally, in the conveying device, the conveying device further includes attaching means, and the attaching means includes described
Chamber and the outside for being set to the conveying lever.
Optionally, in the conveying device, the conveying device further includes for loading the Vascular implant
Delivery sheath, the conveying lever is for being movably inserted into the delivery sheath, and the delivery sheath constitutes the attaching means.
Optionally, in the conveying device, the conveying device further includes for loading the Vascular implant
Delivery sheath, the conveying lever is for being movably inserted into the delivery sheath；The attaching means is for being movably inserted into institute
State delivery sheath, with wrap up the Vascular implant proximal end and the conveying lever.
To achieve the above object, invention further provides a kind of Medical Devices, comprising: described in any item Vascular implantations
Object；And described in any item conveying devices；
Wherein, the first connecting portion of the Vascular implant is used to separably block with the second connecting portion of the conveying lever
Close connection.
To sum up, Vascular implant provided by the invention, conveying device and Medical Devices have the advantages that
The first, the proximal end of above-mentioned Vascular implant and the conveying lever of conveying device are separably connected together, and realize defeated
Journey medium vessels implantation material and conveying lever in the axial direction opposing stationary are passed through, is done so during transportation, Vascular implant is not
It is easy to happen de- load problem, so that Vascular implant be enable to be constantly fed, surgical procedure difficulty is reduced with this, improves hand
Art operational safety and therapeutic effect.
The second, above-mentioned Medical Devices realize the axial direction between Vascular implant and conveying lever by means of the chamber of conveying device
Locking and unlocking not only lock and free easy to operate, advantageously reduce surgical procedure difficulty, improve procedure efficiency, and block
The high reliablity for closing connection, can preferably realize the axial lock between Vascular implant and conveying lever.
Third, above-mentioned Vascular implant proximal end preferably include more than two first connection groups, two or more described first
Connection group is arranged along the axially spaced-apart of the Vascular implant, and the fastener in different first connection groups is in Vascular implant
It is staggeredly arranged in axial direction, doing so can be such that the fastener on axially different is compressed on different circumference, to reduce blood vessel
The compressed dimension of implantation material and its conveying device enables Vascular implant to convey in smaller conveying device.
4th, above-mentioned conveying device preferably includes attaching means, and attaching means provides a chamber, and attaching means can preferably live
It is inserted into delivery sheath dynamicly, the constraint of the first connecting portion to the proximal end of Vascular implant is realized with this, does so achievable blood
The full release of pipe implantation material and Quan Huishou.For example, making blood after Vascular implant and its conveying lever are all pushed away out delivery pipe sheath
Pipe implantation material is released to target position entirely, at this time Vascular implant do not separated yet with conveying lever, it can be achieved that Vascular implant again
Secondary recycling.And when satisfaction frees condition, attaching means and conveying lever relatively move, and the constraint for applying attaching means releases, blood vessel
Implantation material is separated with conveying lever realization, and then is realized and freed.In this way setting can be improved Vascular implant discharge in vivo it is accurate
Property, so as to improve therapeutic effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the self expandable braided support of one embodiment of the invention；
Fig. 2 a is the proximal end of the self expandable braided support of one embodiment of the invention and wire bond connects and forms the structure of fastener
Schematic diagram；
Fig. 2 b is the enlarged diagram of fastener on the proximal end of the self expandable braided support of one embodiment of the invention；
Fig. 3 a- Fig. 3 d is the structural schematic diagram of second connector of one embodiment of the invention respectively；
Fig. 4 is the structural schematic diagram of the conveying lever of the embodiment of the present invention one, and wherein conveying lever includes two the second connectors；
Fig. 5 is the schematic diagram that the conveying device of the embodiment of the present invention one is connected with self expandable braided support；
Fig. 6 a is the interstitial schematic diagram of the first connector of the embodiment of the present invention one；
Fig. 6 b is that the maximum gauge of the second connector of the embodiment of the present invention one is greater than the signal in gap on the first connector
Figure；
Fig. 7 is the enlarged diagram of the fastener of the proximal end of the self expandable braided support of the embodiment of the present invention two；
Fig. 8 is the structural schematic diagram of the conveying lever of the embodiment of the present invention two, and wherein conveying lever includes second connector；
Fig. 9 is the first connector of the embodiment of the present invention two and the schematic diagram that the second connector is connected together；
Figure 10 is the schematic diagram that the conveying device of the embodiment of the present invention two is connected with self expandable braided support, wherein from expansion
The proximal end of braided support is opened still without departing from delivery sheath；
Figure 11 is the enlarged diagram of the fastener of the proximal end of the self expandable braided support of the embodiment of the present invention three；
The schematic diagram that the conveying device of Figure 12 embodiment of the present invention three is connected with self expandable braided support, wherein self expandable
The proximal end of braided support is still without departing from delivery sheath；
Figure 13 is the enlarged diagram that self expandable braided support shown in Figure 12 and conveying lever are connected together；
Figure 14 is the schematic diagram that the conveying device of the embodiment of the present invention four is connected with self expandable braided support, wherein from expansion
It is managed without departing from constraint is freed the proximal end for opening braided support.
In figure:
1- bracket, the proximal end 11-, the distal end 12-；13- fastener；14, the first connection of 15- group；The first connector of 2-；3- second
Connector；4- conveying lever；5- delivery sheath；6- frees constraint pipe；
G- surface groove；S1, S2, S- braided wires；Q- pad.
The same or similar component is indicated with different appended drawing references in attached drawing.
Specific embodiment
To keep the purpose of the present invention, advantages and features clearer, the present invention is made below in conjunction with attached drawing further detailed
Explanation.It should be noted that attached drawing is all made of very simplified form and using non-accurate ratio, only to convenient, apparent
The purpose of the ground aid illustration embodiment of the present invention.
As used in the specification and the appended claims, singular "a", "an" and "the" includes
Plural reference, in addition in addition non-content explicitly points out.As used in the specification and the appended claims, term "or"
Usually carried out with including the meaning of "and/or" using, in addition in addition non-content explicitly points out.Term is " multiple " to be usually
Carried out with including two or more meanings using, in addition in addition non-content explicitly points out.Term " several " is to wrap
Include one or more meanings and carry out using, in addition in addition non-content explicitly points out.
In addition, in the following description, for ease of description, having used " distal end " and " proximal end "；" proximal end " is close to medical treatment
One end of equipment operator；" distal end " is one end far from medical instrument operator.In addition, in the following description, giving
A large amount of concrete details are so as to provide a more thorough understanding of the present invention.However, to those skilled in the art show and
It is clear to, the present invention may not need one or more of these details and be carried out.In other examples, in order to avoid with
The present invention obscures, and some technical characteristics well known in the art are not described.
Core of the invention thought is to provide a kind of Medical Devices, including Vascular implant and conveying device；The blood
Pipe implantation material is delivered to target position by conveying device, and the conveying device includes conveying lever and chamber.
Vascular implant of the invention has proximal end, and the proximal end includes first connecting portion.Conveying device of the invention
In, the conveying lever includes second connecting portion.The first connecting portion is used to separably engage company with the second connecting portion
It connects, so that the Vascular implant be made to keep opposing stationary in the axial direction with the conveying lever.
Wherein, the first connecting portion and the conveying lever are for being contained in the chamber.When the first connecting portion
When being contained in the chamber with the conveying lever, the first connecting portion by the chamber restraining force and with it is described second connect
Socket part keeps the state of engaging, to realize the axial lock between the Vascular implant and the conveying lever.Conversely, when described
When first connecting portion is detached from the chamber, the first connecting portion is to be released from the constraint of the chamber and connect with described second
Portion is in separable state, finally realizes axially unlocked between the Vascular implant and the conveying lever.So, blood
Pipe implantation material and conveying lever realize separable mechanical connection, to during transportation, can send out to avoid Vascular implant
Raw de- the problem of carrying, Vascular implant is constantly fed, surgical procedure difficulty is reduced with this, improves surgical procedure
Safety and therapeutic effect.
Further, the conveying device further includes attaching means, and the attaching means includes the chamber, the attaching means
For being set to the outside of the conveying lever.In one embodiment, the conveying device further includes for loading Vascular implant
Delivery sheath, the conveying lever is movably inserted into the delivery sheath, and the conveying sheath constitutes the attaching means.One
In embodiment, the attaching means frees constraint pipe for one, is movably inserted into the delivery sheath and covers in the conveying lever
Outside to wrap up first connecting portion and conveying lever.Wherein, the first connecting portion may include one or more first
Connector, and one or more the first connector with the second connecting portion for being separably connected together.And institute
The second connector that second connecting portion may include one or more is stated, and one or more the second connector is used for
It is separably connected together with the first connecting portion.
In the present invention, forming the mode being connected together mainly has:
(1) at least one described first connector is fastened between at least two second connectors；
(2) at least one described second connector is fastened between at least two first connectors；
(3) at least one described first connector is fastened at least one described second connector.
In practical operation, the mode that above-mentioned formation is connected together can be used in combination, and also can be used alone, and be not limited to only
It realizes that a pair is connected together, may also set up more than two be connected together to form more reliable connection.
In the present invention, the Vascular implant is mainly the implantation material for being used to treat vascular aneurysms, e.g. bracket, bullet
Spring coil or aneurysm plugging device etc., it can also be used to blood vessel dilatation, blood vessel embolism capture or the treatment of other lumen lesions.With about
Bundle is for delivery sheath, the transmission process of Vascular implant of the invention specifically includes following steps:
It is the loading of Vascular implant first: Vascular implant is first set in the outside of conveying lever, then plants blood vessel
Enter object and conveying lever is packed into delivery sheath together, at this point, under the radial constraint of delivery sheath, the first connecting portion and second
Interconnecting piece is maintained at fastening state, realizes the axial lock between Vascular implant and conveying lever；
Be then the conveying of Vascular implant: pushing Vascular implant using conveying lever, make Vascular implant it is entire (including
Proximal end) it is detached from delivery sheath, since the radial constraint from delivery sheath is released from, and Vascular implant is expanded
(or expansion), so that first connecting portion mutually separates with second connecting portion and releases engaging, exists to realize Vascular implant
Intracorporal release.
Wherein, the expansion pattern after Vascular implant disengaging delivery sheath can be self expandable, be also possible to passively expand.
" self expandable " refers to that Vascular implant has self-expanding characteristic, itself can expand or open up after releasing external force constraint
It opens；" the passive expansion " refers to by means of external agency, as dilating sacculus keeps Vascular implant swollen after releasing external force constraint
Swollen or expansion.
In an alternate embodiment, the attaching means is to free constraint pipe, is movably inserted in delivery sheath simultaneously
It covers at the outside of conveying lever, practical operation, can also be achieved full release and the Quan Huishou of Vascular implant using constraint pipe is freed.
The operating process will be described in detail in the following description.Do so the convenient position that implantation material is observed after implantation release and
State, and implantation position is readjusted as needed, to improve the accuracy that Vascular implant discharges in vivo, improve treatment
Effect.
Vascular implant proposed by the present invention and conveying device are made below in conjunction with attached drawing and several embodiments further
Explanation.And in the following it is assumed that Vascular implant is bracket, but those skilled in the art should can modify and be described below, will
It is applied to the case where being not bracket.
As shown in Figure 1, Vascular implant can be bracket 1, bracket 1 can be one of cutting support and braided support or
A variety of combinations, and bracket 1 can be Self-expanded stent, be also possible to passive expandable stent.Cutting support can be remembered by shape
Recall material or elastic material is made, including but not limited to Nitinol.Braided support can be made of metal or high molecular material
Braided wires weave, including but not limited to Nitinol, stainless steel or high molecular polymer.
In being described below, mainly it is described by taking self expandable braided support as an example, but those skilled in the art should also be as energy
Enough modifications are described below, and being applied to is not the case where self expandable works out bracket.
With continued reference to Fig. 1, bracket 1 has opposite proximal end 11 and distal end 12.The proximal end 11 of bracket 1 can be sub-thread or two
Strand or more braided wires be bound together to be formed, be also possible to individual thread and return compile, the present invention to this specifically with no restriction.
Wherein the constraint mode of braided wires can be used but be not limited to the modes such as knot, cementing, welding.In a non-limiting embodiment
In, as shown in Figure 2 a, adjacent two braided wires S1 and S2 positioned at proximal end 11 can simultaneously wire bond be connected together, and can be at multiple positions
Form pad Q.
It refering to Fig. 2 b, and combines shown in Fig. 2 a, single braided wires S1 or S2 and/or two braided wires S1 and S2 can be further
It is wound the fastener 13 of a helix.However, it is possible to be additionally wound using outer filaments in the proximal end of bracket 1 11
The fastener 13 of helix.Alternatively, can also be directly bound together in the fastener 13 that proximal end 11 is arranged tubulose to coat
Braided wires.Set-up mode of the present invention to fastener 13 in the proximal end of bracket 1 does not limit particularly.
In the present embodiment, fastener 13 can be hollow tubular structure, including but not limited to spiral form.Fastener 13
It can be solid component, such as be directly connected to a solid cylinder in the proximal end for two braided wires that simultaneously wire bond is connected together and carry out shape
At fastener 13.So the present invention does not limit the structure of fastener 13 particularly, as long as being easy to implement braided wires and buckle
Part connection.In the present embodiment, fastener 13 is preferably tubulose and wraps up braided wires, and in addition tubulose is more preferably spiral,
To provide elasticity.When fastener 13 is helix, clamping can be facilitated by compressive deformation in the axial direction of the stent 1, thus
The difficulty for reducing clamping, makes to operate more convenient.Fastener 13 can be made of high molecular material or metal material, including but unlimited
In stainless steel, Nitinol etc., preferably, fastener 13 is made of radiopaque metal developing material, to be implanted into
The specific location of the proximal end 11 of bracket 1 is observed in journey.
In the embodiment of the present invention, the proximal end 11 of bracket 1 includes first connecting portion, and the first connecting portion includes at least one
A first connector 2 (refering to Fig. 6 a), the first connector 2 are configured as, and are realized in the restraining force by chamber with conveying lever
Engaging, and separable state is in conveying lever when releasing the restraining force of the chamber.Preferably, the first connector 2 wraps
More than two fasteners 13 are included, (circumferential direction i.e. along bracket 1 is right around the axisymmetrical arrangement of bracket 1 for more than two fasteners 13
Claim setting or center symmetric setting).To which (d1 marker location in such as Fig. 6 a) will form sky between more than two fasteners 13
The size of gap, gap can be converted between larger size and smaller size, mainly related with the compression of bracket and expansion.With conveying
For sheath constitutes attaching means, bracket 1 is loaded into before delivery sheath, due to going back and being not affected by the constraint of chamber radially
Power, bracket 1 are not compressed and keep the size in gap larger, enable the second connector 3 of conveying lever by the gap, from
And facilitates and bracket 1 is loaded on conveying lever.When bracket 1 keeps mated condition (engaging) to be loaded into delivery sheath with conveying lever
Later, reduce the size in gap since bracket 1 is compressed by the restraining force of chamber, so that the second connector of conveying lever
3 can not be in the axial direction by gap at this time, and therefore, the full-size (such as diameter) in gap at this time is less than the second connector
3 size (such as diameter), to can ensure that the first connector 2 of mount proximal end and the second connector 3 of conveying lever distal end are protected
The axial locking being achieved between conveying lever and bracket 1 without separating is held in fastening state, and then conveying lever reality can be passed through
Existing conveying of the bracket 1 in delivery sheath.When the restraining force of chamber releases, bracket 1 is discharged and is expanded, and the first connector 2 is
It can separate, realize axially unlocked between conveying lever and bracket 1 with the second connector 3.
Further, refering to Fig. 3 a to Fig. 3 d, and Fig. 4 is combined, conveying device includes conveying lever 4, and conveying lever 4 includes second
Connector portion, and the second connecting portion includes at least one second connector 3.In the present embodiment, conveying lever 4 further includes rod piece
Ontology is formed at least one second connector 3 on the rod piece ontology.In some embodiments, in the rod piece ontology
On be formed at least one protrusion, and the protrusion constitutes the second connector 3, at least one first connector 2 is blocked
It closes between at least two protrusions or at least two second connectors 3 can be fastened on the opposite sides of at least one protrusion.
In some embodiments, at least one recess portion is formed on the rod piece ontology, and the recess portion constitutes the second connector 3,
At least one first connector 2 is fastened at least one recess portion.
In being described below, it is assumed that the second connector 3 is protrusion, to further illustrate first connecting portion easy to accomplish and second
Being connected together between interconnecting piece, but those skilled in the art should be able to modify and be described below that be applied to be not protrusion
Situation.
In conjunction with Fig. 2 b, when practical application, when radial constraint of the bracket 1 by delivery sheath, each fastener 13 is overlapped
It is connected together and is fettered by delivery sheath and can not be freed, the physical connection of this clamp-close type in being formed on the second connector 3
It is capable of providing more stable conveying.And after fastener 13 is released from delivery sheath, the constraint from delivery sheath is released,
Free fastener 13 from the second connector 3, such ways of relief is also very convenient, fast, and structure is also simple, can
Realize the quick release of bracket 1.
Compared with prior art, bracket 1 realizes the conveying in delivery sheath by the mechanical connection between conveying lever,
Do so that bracket 1 is not easy to fall off during transportation, to improve the stability of bracket conveying.And the knot snapped connection
Structure is simple, and locking and unlocking are also more convenient.
With continued reference to Fig. 3 a to Fig. 3 c, in some embodiments, the second connector 3 have axially through surface groove,
But surface groove can be made of the notch as shown in Fig. 3 b or Fig. 3 c, can also the adjacent protrusion shown in Fig. 3 a limit and
At.As shown in Figure 3d, in further embodiments, the second connector 3 is also possible to the smooth cylinder in surface, but cylinder is transversal
The shape in face is not construed as limiting, and can be round, rectangular, rectangle or abnormity.Second connector 3 can be solid component, can also
To be tubular element, and tubular element is also possible to spirally.Second connector 3 can be by high molecular material or metal material system
At including but not limited to stainless steel, Nitinol etc., preferably, the second connector 3 is by radiopaque metal developing material system
At to observe its position in implantation process and its to judge the release shape of bracket 1 with the relative axial position of delivery sheath
State.
Further, the surface groove is more than two and the axis setting around the second connector 3 (connects along second
The circumferentially-spaced arrangement of fitting 3 is more preferably symmetrical arranged along the circumferential direction of the second connector 3).And then by the second connector 3
Surface groove, can engaging when, a part of braided wires of the proximal end 11 of bracket 1 be contained in surface groove, on the one hand may be used
Reduce the compressed diameter of bracket 1, it, on the other hand can also further tie bracket 1 and defeated to reduce the diameter of delivery sheath
Bar is sent, to further increase the stability of bracket conveying.
Further, the proximal end 11 of the bracket 1 includes several grids, wherein being arranged on the end of at least partly grid
Fastener 13, that is, fastener 13 need not be set in all grids of mount proximal end, and first connector 2 is included in difference
More than two fasteners 13 on grid, and the fastener 13 in each first connector 2 is arranged symmetrically on the same circumference.
It forms the mode snapped connection to the first connector 2 and the second connector 3 below to be further described, but following
Describe it is not as a limitation of the invention, it is any on the basis of the following contents it is made transformation protection scope of the present invention it
It is interior.
Embodiment one
As shown in figure 4, conveying lever 4 includes second connecting portion in the present embodiment, the second connecting portion includes at least two
Second connector 3, at least two second connectors 3 are positioned apart from the axial direction of rod piece ontology.It is assumed that the second connector 3 is
Two, the axial distance of two the second connectors 3 is configured as allowing to engage at least one first connector 2.Due to the first company
Fitting 2 can be flexible component, therefore can be compressed between two the second connectors 3, so two second connections
Axial distance between part 3 can be less than or equal to the axial length (length before compressing) of the first connector 2.But first
Connector 2 can also be the rigid member without elasticity, i.e., non-deformable, at this point, between two the second connectors 3 it is axial away from
From the axial length that can be greater than or equal to the first connector 2, and in order to avoid generating biggish displacement in the axial direction, two
Do not answer excessive in gap between two connectors 3 and the first connector 2.However the second connector 3 is also possible to flexible component,
Convenient that first connector 2 is engaged by deforming, therefore, the axial distance between two the second connectors 3 might be less that
Or the axial length equal to the first connector 2.
As shown in figure 5, and combine shown in Fig. 2 b, the first connector 2 includes four spaced cards on the same circumference
Fastener 13, each fastener 13 is set in the braided wires of proximal end 11 of bracket 1, and the structure of these fasteners 13 can be identical
Or it is not identical, it can also be both ends alignment or be misaligned.Conveying device further includes delivery sheath 5.When practical operation, such as scheme
Shown in 5, in delivery sheath 5, entire bracket 1 is compressed and four fasteners 13 of proximal end 11 is made also to be compressed and be fastened on two
Between a second connector 3, i.e. one of them second connector 3 proximal end for being sticked in the first connector 2, another second connection
Part 3 is sticked in the distal end of the first connector 2, therefore, the movement of bracket 1 is prevented from opposite both direction.
In addition, the surface groove is formed on the outer surface of the second connector 3, so that the braiding of the proximal end 11 of bracket 1
Insertion is located in the surface groove of the second connector 3 of distal end after silk connection is integral.Therefore, the knot of two the second connectors 3
Structure can not be identical or identical, is provided with surface groove wherein being preferably located on second connector 3 of distal end, another
It can be not provided with surface groove.
As shown in figures 6 a and 6b, when bracket 1 is compressed in delivery sheath 5 (i.e. bracket 1 is under complete compressive state), four
Gap is formed between a fastener 13 (d1 is identified i.e. in figure)；When the gap is regular figure, for example, it is round when, the second connection
The diameter d2 (such as full-size) of part 3 needs the diameter d1 greater than gap；And when the gap is irregular figure, second
The diameter d2 of connector 3 needs the full-size greater than gap；Doing so can guarantee that the second connector 3 will not be from push
It is slipped in gap.
With continued reference to shown in Fig. 6 a and Fig. 6 b, bracket 1 is under complete compressive state, the radial distance L1 of the surface groove
Can be equal to or more than the radial distance (d1/2) in gap, the radial distance L1 of surface groove might be less that gap it is radial away from
From (d1/2), i.e., to the depth of surface groove, there is no particular limitation.But in order to avoid fastener 13 enter surface groove and
It slips, the size of the surface groove is preferably configured to that fastener 13 is forbidden to pass through, preferably by surface groove along
The circumferential full-size of two connector 3 is designed as being less than the minimum dimension circumferential along bracket 1 of fastener 13.
Therefore, when practical operation, as shown in figure 5, when withdrawing conveying lever 4 (i.e. proximally direction), positioned at the one of distal end
A second connector 3 limits the first connector 2, makes that relative movement will not be generated between the first connector 2 and conveying lever 4；Conversely,
When pushing conveying lever 4 forward (distally), second connector 3 positioned at proximal end limits the first connector 2, makes the
Relative movement will not be generated between a connection piece 2 and conveying lever 4.
Embodiment two
As shown in Figure 7 and Figure 8, in the present embodiment, the second connecting portion of conveying lever 4 includes at least one second connector 3,
The first connecting portion of the proximal end 11 of the bracket 1 includes at least two first connectors 2, at least two first connectors 2 simultaneously
In the axially spaced arrangement in the proximal end of bracket 1.Assume that the first connector 2 is two below.Axial direction between two the first connectors 2
Distance is configured as allowing to engage at least one second connector 3.Here, the axial distance between two the first connectors 2 can be with
Greater than the axial length of the second connector 3, might be less that or equal to the second connector 3 axial length, such as first connection
Part 2 is elastic component, can be stretched or compressed.
As shown in figure 9, in delivery sheath 5, second connector 3 is fastened on two first connections when practical operation
Between part 2, and the braided wires S being located between two the first connectors 2 is inserted into the surface groove G on the second connector 3.In turn
In transmission process, if the push bracket 1 (i.e. to distal end) forward, the second connector 3 will stop one first company for being located at proximal end
Fitting 2 guarantees that relative movement will not be generated between bracket 1 and conveying lever 4；Conversely, if withdrawing bracket 1, the resistance of the second connector 3
Gear is in first connector 2 of distal end.It does so, bracket 1 will not be generated in conveying and recycling between conveying lever 4
Relative movement, enables bracket 1 to be constantly fed.
Further, as shown in Figure 10, to discharge bracket 1, as long as pushing bracket 1 forward, until the proximal end 11 of bracket 1
Delivery sheath 5 is all released, the first connector 2 can be made radially to pop up and release engaging, discharges bracket 1, therefore,
It frees and also facilitates.
Embodiment three
In the present embodiment, the first connecting portion of mount proximal end includes more than two first connection groups, and more than two described the
One connection group is arranged along the axially spaced-apart of bracket 1, and each first connection group includes more than two first connectors 2, Mei Gesuo
The first connector of two or more 2 stated in the first connection group is arranged along the axially spaced-apart of bracket 1, and in the same first connection group
The alignment in the axial direction of the stent 1 of fastener 13.It is axially aligned and refers to, in the same projection perpendicular to bracket axis
In plane, the axis projection of the fastener 13 in the same first connection group is to be overlapped.
Further, inventors have found that when the radial dimension of the first connector 2 is larger or 13 quantity of fastener is more, branch
The compressed dimension of frame 1 and its conveying device is excessive.In order to solve this problem, the fastener 13 in different first connection groups is being propped up
It is staggeredly arranged in the axial direction of frame 1, thus keep the fastener 13 in different first connection groups compressible on different circumference, thus
Reduce compressed dimension, and then reduce the size of delivery sheath 5, is conveyed in smaller delivery sheath convenient for bracket 1.
As shown in figure 11, in the present embodiment, the quantity of the first connection group is two, respectively the first connection group 14 and
15, and in order to become apparent from, with this two the first connection groups 14 and 15 of dotted line limit in figure.Two the first connection groups 14 and 15 edges
The axially spaced-apart of bracket 1 is arranged, and the fastener 13 in two the first connection groups 14 and 15 is staggeredly arranged in the axial direction.Herein,
It is staggered and refers in axial direction, the card on the same projection plane perpendicular to bracket axis, in two the first connection groups 14 and 15
The axis projection of fastener 13 is not overlapped.
More specifically, the first connection group 14 includes two the first connectors 2 being sequentially arranged from the distant to the near, and this two first
Connector 2 is arranged along the axially spaced-apart of bracket 1, and the fastener 13 of this two the first connectors 2 alignment in the axial direction.Together
Sample, the first connection group 15 includes two the first connectors 2 being sequentially arranged from the distant to the near, this two the first connectors 2 also edge
The axially spaced-apart of bracket 1 is arranged, and the fastener 13 of this two the first connectors 2 alignment in the axial direction.
It include two fasteners 13 as signal using each first connector 2, as shown in figure 11, from the distant to the near, in bracket 1
Proximal end 11 set gradually first, second, third and the 4th the first connector 2, first first company of distalmost end
Two fasteners 13 in fitting 2 are aligned cloth with two fasteners 13 in second adjacent the first connector 2 in the axial direction
It sets, and the first connector 2 of third and the 4th the first connector 2 of most proximal end are also as the first connector of the first two 2
Setting, but the fastener 13 of latter two the first connector 2 and the fastener 13 of the first connector of the first two 2 are wrong in the axial direction
It opens.In this way, making the axial position of fastener 13 different in the circumferential (being staggeredly arranged in axial direction), to make to prop up
Frame 1 is compressed in the size in delivery sheath 5 can be smaller, and bracket 1 is conveyed in smaller size of delivery sheath.
In the present embodiment, as shown in figure 4, conveying lever 4 include two the second connectors 3, respectively with two the first connection groups
14 and 15 are connected together.As shown in Figure 12 and Figure 13, one second connection is set between two the first connectors 2 of proximal end
Another the second connector 3 is arranged between two the first connectors 2 of distal end in part 3, thus limits bracket 1 and conveying
Relative position between bar 4, to also achieve stable and reliable connection while reducing size.
Example IV
The bracket of the present embodiment and the structure of conveying device and above-described embodiment are essentially identical, below only for different click-through
Row description.
In the present embodiment, as shown in figure 14, the conveying device further includes freeing constraint pipe 6, for being movably arranged
Delivery sheath 5 inside and cover in the outside of conveying lever 4, to realize full release and the Quan Huishou of bracket 1.Here, the solution
De- constraint pipe 6 constitutes the attaching means.
Specifically, make bracket 1 be released to target position entirely after entire bracket 1 is released delivery sheath 5, bracket at this time
Proximal end 11 does not separate yet with conveying lever 4, preferably frees state (such as bracket is not discharged or freed completely) if had not yet been reached,
It can still realize that bracket 1 is all or part of and withdrawing conveying lever 4 to be recycled in delivery sheath 5.When satisfaction free condition (such as
Releasing position confirmation is correct) when, free constraint pipe 6 and conveying lever 4 relatively move, for example, from patient operate conveying lever 4 to
Before (Xiang Yuanduan) it is mobile, and keep freeing constraint pipe 6 motionless, or the recession of constraint pipe 6 freed but conveying lever 4 is motionless, so that solution
The constraint that de- constraint pipe 6 applies the proximal end 11 of bracket 1 releases, and realizes bracket 1 with conveying lever 4 and separates, and then realizes solution
It is de-.Compared with prior art, the present invention can recycle entirely again after bracket 1 (in addition to proximal end 11) full release, until reaching reason
Behind the releasing position thought and release conditions, then the proximal end 11 of bracket 1 freed with conveying lever 4, setting in this way can be improved bracket 1 and exist
The accuracy discharged in vivo, so as to improve therapeutic effect.
More specifically, freeing constraint pipe 6 wraps up the second connector 3 and the first connector 2, make the second connector 3 and first
Connector 2 keep engaging state, when conveying lever 4 and free constraint pipe 6 between not there is no relative displacement when, bracket 1 and conveying
It is connected together between bar 4.When free constraint pipe 6 with respect to conveying lever 4 move to the near end when, the proximal end 11 of bracket 1 is connect with first
Part 2 is radial to lose constraint, and bracket 1 has the characteristic of self-expanding, therefore the proximal end 11 of bracket 1 edge from the second connector 3 in itself
Radial direction flicks, and the proximal end 11 of bracket 1 is separated with conveying lever 4, to free.
In the present embodiment, the distal end for freeing constraint pipe 6 extends to the proximal end 11 of bracket 1, as long as first can be constrained
Connector 2, and the proximal end for freeing constraint pipe 6 is extended the proximal end of delivery sheath 5 and is operated convenient for patient.In addition, to beam is freed
The material for tiing up pipe 6 is not construed as limiting, and can be high molecular material or metal material.
In addition, it should be noted that, when second connector 3 is sticked between two the first connectors 2, two
A connection piece 2 while axially spaced-apart is arranged, fastener 13 both can alignment in the axial direction, can also be staggered in the axial direction
Arrangement is conducive to reduce compressed dimension if be staggeredly arranged in axial direction.
Above-described embodiment is to how connecting bracket and conveying lever are described in detail, and certainly, the present invention includes but not office
It is limited in above-mentioned implementation cited connection type, it is any to be converted on the basis of connection type provided by the above embodiment
Content belongs to the range that the present invention is protected.Those skilled in the art can draw inferences about other cases from one instance according to the content of above-described embodiment.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (21)
1. a kind of Vascular implant, target position is delivered to by conveying device, the conveying device includes conveying lever and chamber,
It is characterized in that, the Vascular implant have proximal end, the proximal end includes first connecting portion, the first connecting portion be used for
The conveying lever is separably connected together, and the first connecting portion and the conveying lever are for being contained in the chamber；
When the first connecting portion and the conveying lever are contained in the chamber, the first connecting portion is by the chamber
Restraining force and keep the state that engages with the conveying lever, to realize the axial lock between the Vascular implant and the conveying lever
It is fixed；
When the first connecting portion is detached from the chamber, the first connecting portion be released from the restraining force of the chamber and with institute
It states conveying lever and is in separable state, it is axially unlocked between the Vascular implant and the conveying lever to realize.
2. Vascular implant according to claim 1, which is characterized in that the first connecting portion include at least one first
Connector；First connector is configured as, and is engaged in the restraining force by the chamber with conveying lever holding
State, and separable state is in the conveying lever when releasing the restraining force of the chamber；Wherein: first connection
Part has gap；
When the first connecting portion and the conveying lever are contained in the chamber, the gap is configured as forbidding the conveying
Bar passes through, so that first connector and the conveying lever keep the state of engaging；
When the first connecting portion is detached from the chamber, the gap is configured as that the conveying lever is allowed to pass through, so that institute
It states the first connector and the conveying lever is in separable state.
3. Vascular implant according to claim 2, which is characterized in that first connector includes more than two cards
Fastener, more than two fastener being provided at circumferentially spaced along the Vascular implant, and more than two fasteners it
Between form the gap.
4. Vascular implant according to claim 3, which is characterized in that the fastener is configured as planting in the blood vessel
Entering can deform in the axial direction of object, so that first connector can deform in the axial direction of the Vascular implant.
5. Vascular implant according to claim 3, which is characterized in that at least partly described fastener is by metal developing material
Material is made.
6. the Vascular implant according to any one of claim 3-5, which is characterized in that the first connecting portion includes two
A first connector described above, more than two first connectors are arranged along the axially spaced-apart of the Vascular implant.
7. Vascular implant according to claim 6, which is characterized in that described in more than two first connectors
Fastener is axially aligned arrangement the Vascular implant.
8. the Vascular implant according to any one of claim 3-5, which is characterized in that the first connecting portion includes two
A above first connection group, more than two first connection groups are arranged along the axially spaced-apart of the Vascular implant；
Each first connection group includes more than two first connectors, and described the in each first connection group
A connection piece is arranged along the axially spaced-apart of the Vascular implant；
Wherein: the fastener in same first connection group the Vascular implant the arrangement that is axially aligned, and it is different
The fastener in first connection group is staggeredly arranged in the axial direction of the Vascular implant.
9. Vascular implant according to claim 1, which is characterized in that the Vascular implant is self expandable implantation material.
10. Vascular implant according to claim 1, which is characterized in that the Vascular implant be bracket, spring ring or
Aneurysm plugging device.
11. a kind of conveying device, for Vascular implant to be delivered to target position characterized by comprising
Conveying lever, the conveying lever include second connecting portion, and the second connecting portion is for the proximal end with the Vascular implant
Separably it is connected together；And
Chamber, for accommodating the proximal end of the conveying lever and the Vascular implant；
When the proximal end of the Vascular implant and the conveying lever are contained in the chamber, the proximal end of the Vascular implant by
To the chamber restraining force and keep the state that engages with the second connecting portion, with realize the Vascular implant with it is described
Axial lock between conveying lever；
When the proximal end of the Vascular implant is detached from the chamber, the proximal end of the Vascular implant is released from the chamber
Restraining force and be in separable state with the second connecting portion, to realize between the Vascular implant and the conveying lever
It is axially unlocked.
12. conveying device according to claim 11, which is characterized in that the second connecting portion include at least one second
Connector is separably connected together for the proximal end with the Vascular implant；
The conveying lever further includes rod piece ontology, at least one protrusion is formed on the rod piece ontology, and the protrusion is institute
The second connector is stated, so that the proximal end of the Vascular implant is fastened on the two sides of at least one protrusion or is fastened at least
Between two protrusions.
13. conveying device according to claim 11, which is characterized in that the second connecting portion include at least one second
Connector is separably connected together for the proximal end with the Vascular implant；
The conveying lever further includes rod piece ontology, at least one recess portion is formed on the rod piece ontology, and the recess portion is institute
The second connector is stated, so that the proximal end of the Vascular implant is fastened in the recess portion.
14. conveying device according to claim 12, which is characterized in that second connector have axially through table
Face groove, for Vascular implant described in accommodating portion.
15. conveying device according to claim 14, which is characterized in that the surface groove is more than two and along described
Second connector is circumferentially.
16. conveying device according to claim 14, which is characterized in that the proximal end of the Vascular implant includes at least one
A first connector, first connector with second connector for being separably connected together, and described first connects
Fitting includes more than two fasteners, more than two fastener being provided at circumferentially spaced along the Vascular implant, and
Gap is formed between more than two fasteners；
When the proximal end of the Vascular implant and the conveying lever engage and be contained in the chamber, the surface groove is matched
It is set to and the fastener is forbidden to pass through.
17. conveying device according to claim 11, which is characterized in that the second connecting portion is by metal developing material system
At.
18. conveying device described in any one of 1-17 according to claim 1, which is characterized in that the conveying device further includes
Attaching means, the attaching means include the chamber and the outside for being set to the conveying lever.
19. conveying device according to claim 18, which is characterized in that the conveying device further includes described for loading
The delivery sheath of Vascular implant, the conveying lever is for being movably inserted into the delivery sheath, and the delivery sheath structure
At the attaching means.
20. conveying device according to claim 18, which is characterized in that the conveying device further includes described for loading
The delivery sheath of Vascular implant, the conveying lever is for being movably inserted into the delivery sheath；The attaching means is used for can
Be loosely inserted into the delivery sheath, with wrap up the Vascular implant proximal end and the conveying lever.
21. a kind of Medical Devices characterized by comprising
Such as Vascular implant of any of claims 1-10；And
Conveying device as described in any one of claim 11-20；
Wherein, the first connecting portion of the Vascular implant is used to separably engage company with the second connecting portion of the conveying lever
It connects.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910580250.XA CN110151368A (en) | 2019-06-28 | 2019-06-28 | Vascular implant, conveying device and Medical Devices |
| US17/617,884 US20220304838A1 (en) | 2019-06-28 | 2020-06-26 | Vascular implant, delivery device and medical apparatus |
| BR112021024188A BR112021024188A2 (en) | 2019-06-28 | 2020-06-26 | Vascular implant, delivery device and medical device |
| KR1020227001172A KR20220024524A (en) | 2019-06-28 | 2020-06-26 | Vascular implants, transport devices and medical equipment |
| PCT/CN2020/098312 WO2020259640A1 (en) | 2019-06-28 | 2020-06-26 | Vascular implant, delivery device and medical apparatus |
| EP20832249.5A EP3991699A4 (en) | 2019-06-28 | 2020-06-26 | Vascular implant, delivery device and medical apparatus |
| CA3143858A CA3143858A1 (en) | 2019-06-28 | 2020-06-26 | Vascular implant, delivery device and medical apparatus |
| JP2021577344A JP2022539145A (en) | 2019-06-28 | 2020-06-26 | Vascular Implants, Delivery Devices and Medical Devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910580250.XA CN110151368A (en) | 2019-06-28 | 2019-06-28 | Vascular implant, conveying device and Medical Devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110151368A true CN110151368A (en) | 2019-08-23 |
Family
ID=67637111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910580250.XA Pending CN110151368A (en) | 2019-06-28 | 2019-06-28 | Vascular implant, conveying device and Medical Devices |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20220304838A1 (en) |
| EP (1) | EP3991699A4 (en) |
| JP (1) | JP2022539145A (en) |
| KR (1) | KR20220024524A (en) |
| CN (1) | CN110151368A (en) |
| BR (1) | BR112021024188A2 (en) |
| CA (1) | CA3143858A1 (en) |
| WO (1) | WO2020259640A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020259640A1 (en) * | 2019-06-28 | 2020-12-30 | 微创神通医疗科技（上海）有限公司 | Vascular implant, delivery device and medical apparatus |
| WO2022148277A1 (en) * | 2021-01-06 | 2022-07-14 | 微创神通医疗科技（上海）有限公司 | Vascular implant and medical device |
| WO2022156388A1 (en) * | 2021-01-22 | 2022-07-28 | 江苏暖阳医疗器械有限公司 | Intravascular implant fixation and retention structure, delivery system, and handle-type stent system |
| CN115430006A (en) * | 2022-10-08 | 2022-12-06 | 苏州汇禾医疗科技有限公司 | Medical delivery member and preparation method thereof |
| CN115844604A (en) * | 2023-01-09 | 2023-03-28 | 江苏暖阳医疗器械有限公司 | Blood flow guiding bracket system |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7001422B2 (en) * | 2002-09-23 | 2006-02-21 | Cordis Neurovascular, Inc | Expandable stent and delivery system |
| US7473271B2 (en) * | 2003-04-11 | 2009-01-06 | Boston Scientific Scimed, Inc. | Stent delivery system with securement and deployment accuracy |
| ES2562413T3 (en) * | 2006-05-12 | 2016-03-04 | Covidien Lp | Implant and implant delivery system with multiple mutual marker interlocks |
| US8876876B2 (en) * | 2008-06-06 | 2014-11-04 | Back Bay Medical Inc. | Prosthesis and delivery system |
| US20140142688A1 (en) * | 2012-11-20 | 2014-05-22 | Medtronic CV Luxembourg S.a.r.l. | Medical Device Delivery System and Methods of Delivering a Medical Device |
| CN109381286B (en) * | 2017-08-09 | 2023-09-19 | 先健科技(深圳)有限公司 | Conveying device and conveying system |
| CN108378960B (en) * | 2017-10-24 | 2023-10-31 | 杭州启明医疗器械股份有限公司 | Adjustable bend conveying system of interventional heart valve |
| CN208582554U (en) * | 2017-11-03 | 2019-03-08 | 杭州启明医疗器械股份有限公司 | Intervention apparatus conveying device |
| CN210749680U (en) * | 2019-06-28 | 2020-06-16 | 微创神通医疗科技（上海）有限公司 | Vascular implant, delivery device, and medical device |
| CN110151368A (en) * | 2019-06-28 | 2019-08-23 | 微创神通医疗科技（上海）有限公司 | Vascular implant, conveying device and Medical Devices |
-
2019
- 2019-06-28 CN CN201910580250.XA patent/CN110151368A/en active Pending
-
2020
- 2020-06-26 KR KR1020227001172A patent/KR20220024524A/en active IP Right Grant
- 2020-06-26 JP JP2021577344A patent/JP2022539145A/en active Pending
- 2020-06-26 BR BR112021024188A patent/BR112021024188A2/en unknown
- 2020-06-26 US US17/617,884 patent/US20220304838A1/en active Pending
- 2020-06-26 CA CA3143858A patent/CA3143858A1/en active Pending
- 2020-06-26 WO PCT/CN2020/098312 patent/WO2020259640A1/en active Application Filing
- 2020-06-26 EP EP20832249.5A patent/EP3991699A4/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020259640A1 (en) * | 2019-06-28 | 2020-12-30 | 微创神通医疗科技（上海）有限公司 | Vascular implant, delivery device and medical apparatus |
| WO2022148277A1 (en) * | 2021-01-06 | 2022-07-14 | 微创神通医疗科技（上海）有限公司 | Vascular implant and medical device |
| WO2022156388A1 (en) * | 2021-01-22 | 2022-07-28 | 江苏暖阳医疗器械有限公司 | Intravascular implant fixation and retention structure, delivery system, and handle-type stent system |
| CN115430006A (en) * | 2022-10-08 | 2022-12-06 | 苏州汇禾医疗科技有限公司 | Medical delivery member and preparation method thereof |
| CN115430006B (en) * | 2022-10-08 | 2023-12-08 | 苏州汇禾医疗科技有限公司 | Medical delivery member and preparation method thereof |
| CN115844604A (en) * | 2023-01-09 | 2023-03-28 | 江苏暖阳医疗器械有限公司 | Blood flow guiding bracket system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020259640A1 (en) | 2020-12-30 |
| EP3991699A1 (en) | 2022-05-04 |
| EP3991699A4 (en) | 2022-08-03 |
| KR20220024524A (en) | 2022-03-03 |
| CA3143858A1 (en) | 2020-12-30 |
| BR112021024188A2 (en) | 2022-04-12 |
| US20220304838A1 (en) | 2022-09-29 |
| JP2022539145A (en) | 2022-09-07 |
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